联合国提出的恩格尔系数达到（）生活属于小康水平。

听力原文： Ladies and gentlemen, distinguished guests, colleagues, friends, and family, I am honored to be standing before you today to accept this award on behalf of the many researchers and administrators of our team. It was 25 years ago that I first entered the field of bio-technological research with a vision and dream of making the impossible possible for everyone. With my team of dedicated researchers and a very meticulously working administrative staff, we have gone where no one has gone before. I owe a very big thank you to Dr. Elizabeth Lipton for her support during the early stages of my research. Without her moral and professional support, I believe we would still be running the same regressions and be obtaining the same ambiguous reports.What is the purpose of this talk?A．To show his gratitude for being recognized.B．To introduce the keynote speaker of the day.C．To help raise funds for a research project.D．To present the award to the winner.

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听力原文：Philips: Hello, sally?Porter: Speaking.Philips: Mark Philips here. I’ve just had a memo from Jenny Hobbes about Diet Crus.Porter: Again? I thought we’d taken the decision about that a year ago.Philips: Well, she’s pointed out that there are about ten different brands on the shelves in the south-east at the moment. When we talked about it before there were only two or three.Porter: Yes, the market was very slow. I still don’t think people are really interested in diet drinks, since there are so many things labeled as “diet”.Philips: Well, er, I just thought you could check out the figures with, er, Daisy. I think she could get hold of a market survey.Porter: All right, I’ll see what she comes up with. MemorandumTo: Mark PhilipsFrom: Jenny HobbesDate: May6, 2009Subject: Diet Crus Market ResearchA market research done recently showed that there are about ten different (5)______ on the shelves doing (6) ______ in the south-east at the moment. When we talked about this last year, there were only two or three.Would you please check the (7)______ with Daisy? I think she could get hold of market (8)______ .Thanks. 点击查看答案